This paper analyzes some influence factors that affect the performance of elite jumpers with the method of gray relation theory in order to find out the effect degree.
对优秀跳远运动员跳远成绩的影响因素进行灰色理论分析，以寻求各影响因素的影响度。
Introduce the theory of gray incidence. Discuss the relation of performance indexes between the sized yarn and greige yarn.
应用灰色关联理论，探讨原纱性能指标与浆纱质量指标之间的关系。
The results show that satisfied result can be got while gray relation degree theory is used to analyze all kinds of factors" influence to the voids."
研究结果表明：灰关联分析法用于分析诸因素对空隙率的影响能获得较好的结果。
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